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  1. Journal of the Brazilian Society of Mechanical Sciences and Engineering
  2. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37
  3. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 5, September 2015
  4. Non-Newtonian solvent effects on the rheological response of wormlike micelles solutions
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Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 40
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 39
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 38
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 6, November 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 5, September 2015
Characterization of failure modes in compression-after impact of glass–epoxy composite laminates using acoustic emission monitoring
Non-Newtonian solvent effects on the rheological response of wormlike micelles solutions
Experimental and thermodynamic analysis of a compression ignition engine operating with straight soybean oil
Elastic fractal trees: a correspondence among geometry, stress, resilience and material quantity
Optimal control of reduced-order finite element models of rotor-bearing-support systems
Analysis of nonlinear twisting vibration characteristics of orthogonal curve-face gear drive
Length scale of density waves in the gravitational flow of fine grains in pipes
Parameter design in friction welding of Al/SiC/Al$_{2}$O$_{3}$ composite using grey theory based principal component analysis (GT-PCA)
A methodology for modeling and control of weld bead width in the GMAW process
A numerical evaluation of the contribution of different heat transfer mechanisms in nucleate boiling
Active angular control of a sectioned airfoil using shape memory alloys and fuzzy controller
Development of a time domain boundary element method for numerical analysis of floating bodies’ responses in waves
Complexity of the response of linear systems with a random coefficient and propagation of uncertainties
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 4, July 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 3, May 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 2, March 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37, Issue 1, January 2015
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 35

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Non-Newtonian solvent effects on the rheological response of wormlike micelles solutions

Content Provider SpringerLink
Author Cruz, D. O. A. Cruz, A. G. B. Duda, F. P.
Copyright Year 2014
Abstract Continuum models for the rheological behavior of viscoelastic fluids based on wormlike micelles are based on the assumption that the stress tensor is written as the sum of a contribution due to the aqueous solvent, which is considered as a newtonian and incompressible fluid, and a micellar contribution giving rise to viscoelasticity. However, it is important to keep in mind that in several applications the rheology of a wormlike micellar solution may undergo changes since the solvent nature can be altered through the introduction, whether intentionally or not, of new phases. In oil recovery process, for example, the contact of the aqueous surfactant solution with oil and gas phases may alter the micelle structure and rheology. In this work, we examine the effects of a power-law solvent model on the rheological response of wormlike micellar solutions in a steady Poiseuille flow through a planar channel. The VCM-based model is used, which represents a network scission description for concentrated wormlike micellar solutions. The resulting equations are numerically solved using the finite element method for spatial discretization. The simulations show that, beyond a critical shear rate, the micellar fluid exhibits a dramatic change on the velocity profiles and on the stress field as a result of the addition of a non-Newtonian solvent. A detailed analysis of the influence of the various fluid parameters on the flow field will also be made, showing that the non-Newtonian solvent exerts a deep influence on the entanglement process on the polymer chain-like formation structures.
Starting Page 1457
Ending Page 1466
Page Count 10
File Format PDF
ISSN 16785878
Journal Journal of the Brazilian Society of Mechanical Sciences and Engineering
Volume Number 37
Issue Number 5
e-ISSN 18063691
Language English
Publisher Springer Berlin Heidelberg
Publisher Date 2014-11-28
Publisher Place Berlin, Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Rheology Finite-element method Non-Newtonian fluids Mechanical Engineering Wormlike micelles Constitutive modeling
Content Type Text
Resource Type Article
Subject Applied Mathematics Industrial and Manufacturing Engineering Automotive Engineering Mechanical Engineering Aerospace Engineering
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